Device for honing and stropping razors.



No. 876,825. YPATENTED JAM-1'4, 1908.

G. w. MOSBY. Y

DEVICE FOR HONING A-ND STROPPING RAZORS.

- APPLIOATION FILED 901-4, 1907.

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No. 876.825. v PATENTED JAN. 14, 190 G. W. MOSBY.

DEVICE FOR HONING AND STROPPING RAZORS.

APPLICATION FILED 0013.4, 1907.

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GEORGE W. MOSBY, OF RED BANK, NEW JERSEY.

DEVICE FOR HONING AND STROPPING RAZORS.

Specification of Letters Patent.

Patented Jan. 14, 1908.

Application filed October 4, 1907. Serial No. 395979- To all whom it mayconcern:

Be it known that I, GEORGE W. MosBY, a citizen of the United States,residing at Red Bank, countyof Monmouth, State of New Jersey, haveinvented certain new and useful Improvements in Devices for Honing andStropping Razors, of which the following is a full, clear, and exactspecification.

My invention relates to an improved device for holding and stroppingrazors and similar edged tools, the object of the invention being toimprove upon the structure disclosed in Patent No. 759,626, granted tome May 10, 1904.

A further object is to provide improvements of this character in whichan oscillating movement of an arm will cause the razor blade to slidenot only across the hone, but Will at the same time turn the blade ateach end of the stroke and present the opposite side to the hone at theproper angle.

A further object is to provide improved means for adjusting the turningmovement of the razor holder to compensate for varying thicknesses andangles of blade.

A further object is to provide improved mounting for the hone or stone,enabling the latter to accommodate itself to the stroke of the blade andthe angle thereto, and also permitting adjustment of the mounting tosupport different sizes of hone or stone.

A further object is to provide a mechanically operating device of thischaracter which will perform all of the movements in hand honing butwill insure a perfectly uniform pressure and stroke.

With these and other objects in View, the invention consists in certainnovel features of construction and combination and arrangement of partsas will be more fully hereinafter described and pointed out in theclaims.

Referring to the accompanying drawings wherein corresponding numerals ofreference are used to indicate corresponding parts in each of theseveral views :F igure 1 is a top plan view illustrating myimprovements. Fig. 2 is a fragmentary view partly in longitudinalsection. Fig. 3 is a rear end view. Fig. 4 is a top View of the pivoteddisk detached. Fig. 5 is an end view of the hone and its mounting. Fig.6 is a detail view in end elevation of the razor clamp; and Fig. 7

is a view sh owing the clamp supporting a safety razor blade holder.

1 indicates a base plate preferably of metal cured in the platform 2,and a flanged wear plate 4 is interposed between the base and disk 3, asshown. The disk 3 is formed with a vertical opening in the rear of itscenter through which extends a post 7, having a transversely-bored headto receive the rear end of a rod 5, and the coil spring 6 whichencircles the rod 5 is located between post 7 and the cross pin 8, whichpasses through the rod.

A plate 9 supported on disk 2 is pivotally secured thereto at its rearend by a screw 10 and is provided near its rear end with a curved slot11, into which the bolt 4, projects to limit the independent turningmovement of the plate.

Pivotally secured upon the plate 9 by means of a screw 12 is an arm orlink 13, having eccentrically pivoted upon its upper surface a smalldisk 14, from which projects eccentrically pin 15, the latter extendingthrough rod 5.

At the forward end of rod 5, a shaft 16 is located and has a rotaryconnection with the end of rod 5, permitting it to turn thereon, and thebeveled pinion 17 is secured upon the shaft 16 and meshes with asegmental rack 18 on the disk 19. This disk 19 is made with a centralbearing receiving a headed screw 21, screwed into a block or enlargement22 on rod 5. Screws 23, preferably having milled heads at their upperends are mounted in disk 19 with their ends projected between teeth ofthe rack 18 (see Fig. 2,) in a position to engage the pinion 17 when thedisk is turned and limit the length of the rack, or in other words,limit the rotary motion imparted to the pinion and shaft 16 by turningdisk 19. The lower ends of screws 23 being in the arc traversed by thepinion 17, it will readily be seen that by lowering said screws, therotary motion of the pinion and shaft is accordingly limited.

A rearwardly projecting arm 24, having a suitable handle 25 thereon issecured to dlsk 19 and moves between parallel horizontal curved bars 25,fixed to posts 26 on the base platform 2. The rear end of rod 5, whichprojects through and beyond post 7, has a friction block 27 securedthereto and supported to slide upon a platform 29, said platform beingadjustably held by thumb-nuts on threaded lugs 31, the latter fixed tothe lower bar 25, and by adjusting the platform 29 up and down thefrictional engagement between the block 27 and the platform can beadjusted to suit conditions.

At the forward end of shaft 16 a razor blade clamp 32 is located andcomprises a split cylindrical spring 33, supported in a slot in shaft 16and exerting spring pressure upon clamp blades 32, which latter are madewith diverging finger holds 34 to permit the manipulation of the clampto grasp and release the razor blade. This spring 33 is permitted aslight pivotal movement to allow the blade to better position itself onthe hone and a weight 35 is removably secured on the shaft 16 bythumb-screw 36 and carries a spring fork 37 to receive and hold therazor handle during the honing operation.

38, 38 indicate the hone supporting brackets which are adjustablysecured to the base platform 2 by means of screws 39, the latter locatedin slots in the brackets as well as in an elongated slot 40 in the base,permitting a hone 46 to be adjusted. toward and away from the razorclamp as Well as permitting the brackets to be moved toward or away fromeach other to accommodate different sizes of hone. The brackets 38 areprovided with short standards 41, having horizontal bearings for thetrunnions 42 of cradles or brackets 43, the latter made with flangedbottoms and ends to support and hold the hone, enabling the hone to rockand position itself for the blade so as to insure the flat engagement ofthe blade and hone and compel a uniform wear throughout the hone as wellas compel a perfect sharpening of the blade.

In Fig. 7 I have illustrated a holder 44, se cured in the razor clamp32. This holder 44 is made with a grooved clamp 45 to receive a bladesuch as used with the ordinary safety razors, thus enabling the safetyrazor blades to be honed by my improved device.

The operation of my improvements is as follows: The razor blade isplaced in a posi tion with its shank clamp between the members of clamp32 and its handle resting in. the fork 37, the blade lying upon thehone. The oscillatory movement of arm 24 first imparts a rotary movementof disk 19, and the latter, by reason of the engagement of rack 18 withpinion 17, causes shaft 16 to turn just far enough to bring the fiatside of the razor blade down upon the hone. A continued movement of arm24 after the blade has been turned will swing plate 9 until the screw 4reaches the end of slot 11 therein, when the disk 3 will also turn asthe blade is given the rest of its stroke. The purpose of this operationis not only to move the blade back and forth over the hone, but also tocause the blade to have a slight longitudinal movement to enable thebest edge to be secured, as is done in ordinary hand honing, and as theparticular mechanism for causing this peculiar motion is fully set forthin my prior patent above referred to, it is not necessary to here setforth the same in detail.

A great many slight changes might be made in the general form andarrangement of the parts described without departing from my invention,and hence I do not restrict myself to the precise details set forth, butconsider myself at liberty to make such changes and alterations asfairly fall within the spirit and scope of my invention.

Having thus fully described my invention,

what I claim as new and desire to secure by Letters Patent of the UnitedStates is:

1. In a device of the character described, the combination with a hone,of an oscillating shaft, a blade clamp carried thereby, an oscillatingarm, pinion and rack connection be tween the shaft and arm, and meansadapted to contact with said. pinion for regulating the extent ofrotation of the pinion.

2. In a device of the character described, the combination with a hone,of an oscillat ing shaft, a blade clamp carried thereby, an oscillatingarm, pinion and rack connection between the shaft and arm, and meansadapted to contact with said pinion for regulating the extent ofengagement of the rack by the pinion.

3. In a device of the character described, the combination with a hone,of an oscillating shaft, a blade clamp carried by the latter, anoscillating arm, an operating handle, mechanism automatically operatedby the movement of said handle to turn the shaft a par tial turn at eachend of its oscillating movement, without necessitating the rotation ofsaid handle, a weight projecting at an angle to the shaft, and a razorhandle holding fork on said weight.

4. In a device of the character described, the combination with a rodpivotally supported to swing in a horizontal plane, of a shaft havingrotary connection with one end of the rod, a blade clamp on'the shaft, adisk having rotary mounting on the rod, an arm to turn the disk andswing the arm and shaft, a toothed rack on the disk meshing with apinion on the shaft, and devices adapted to contact with said pinion forlimiting the length of the rack and the consequent turning movementimparted to the pinion and shaft.

I shaft having rotary connection with one end of the rod, a blade clampon the shaft, a disk having rotary mounting on the rod, an arm to turnthe disk and swing the arm and shaft, a toothed rack on the disk meshingwith a pinion on the shaft, and adjustable means mounted in said rackfor adjusting the length thereof and regulating the consequent turningmovement imparted to the pinion and shaft.

7. In a device of the'character described, the combination with aswinging shaft, a blade clamp carried by the shaft, of means forpartially rotating the shaft at each end of its swinging movement, afriction block connected with the shaft and a friction latform on whichsaid block is adapted to s ide, and means for adjusting said platformtoward and away from the block for varying the frictional engagement.

8. In a device of the character described, the combination with a rotarydisk, a rod pivotally connected thereto between its ends, a shaft havingrotary connection with the rod at one end, a blade clamp on the shaft, afriction device on the rod, a disk having rotary mounting on the rod, arack on said disk meshing with the pinion on the shaft, adjusting screwsworking through the rack for limiting the length thereof, and parallelbars between which said arm is constructed to oscillate.

9. In a device of the character described, the combination with a base,a hone supported thereon and an oscillating shaft su ported on said baseof means for partial y rotating said shaft at the end of its oscillatingmovement, a blade clamp carried by said shaft comprising a splitcylindrical spring supported in a slot in the shaft and exerting springpressure on rigid clamping blades located in the split portion of thecylinder. V

10. In a device of the character described, the combination with a base,an elongated slot in the base, of brackets having slot and boltconnection with said elongated slot posts on the brackets, cradlessupporting the ends of the hone, and trunnions on said cradles mountedin the said posts.

11. In a device of the character described, the combination with ahorizontal rod having pivotal support between its ends, of a frictiondevice at the rear end of said rod, a rotary shaft connected to theforward end of said rod, a blade clamp on said shaft, an oscillating armhaving rack and pinion connection with said shaft, constructed to swingthe rod on its pivot and projecting past the rear end of said rod, and aguide for said oscillating arm.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

GEORGE W. MOSBY.

Witnesses:

JOHN P. KooH, WALTER P. BIDWELL.

